Combined type-writing and computing machine.



J. WALDHEIM.

COMBINED TYPE WRITING AND COMPUTING MACHINE.

APPLICATION FILED JAN.23. 1912.

1,159,557. Patented Nov. 9, 1915.

4 SHEETS-SHEET I.

\A/ITNESSEE: lNVENTUR:

IS ATTEIRNEY FIGI.

COLUMBIA PLANOURAPH conwAsx-nNziToN. o, c.

J. WALDHEIM.

COMBINED TYPE WRITING AND COMPUTING MACHINE.

APPLICATION FILED .IAN.23. l9l2.

Patented Nov. 9, 1915.

4 SHEETS-SHEET 2.

1-h5 ATTORNEY COLUMBIA PLANocmAPH co., WASHINGTON, D. c.

J. WALDHEIM.

COMBINED TYPE WRITING AND COMPUTING MACHINE.

APPLICATION FILED JAN-23. 1912.

Patented Nov. 9, 1915.

4 SHEETS-SHEET 4.

INVENTEIR:

1-115 ATTORNEY WITNEEEEE:

UNITED STATES PATENT OFFICE.

JOHN WALDI-IEIM, OF NEWARK, NEW JERSEY, ASSIGNOR, BY MESNE ASSIGNMENTS, TO REMINGTON TYPEWRITER COMPANY, OP ILION, NEW YORK, A CORPORATION OF NEW YORK.

COMBINED TYPE-WRITING AND COMPUTING MACHINE.

Application filed January 23, 1912.

To all whom it may concern Be it known that I, JOHN IVALDHEIM, citizen of the United States, and resident of Newark, in the county of Essex and State of New Jersey, have invented certain new and useful Improvements in Combined Type-Writing and Computing Machines, of which the following is a specification.

My invention relates to combined typewriting and computing machines and it has for its principal object to provide improved and more complete connections between the typewriting mechanism and the computing mechanism.

My invention includes tabulator mechanism for the typewriter and computer carriages, part of which mechanism is carried by the adjustable adding heads so that the adjustment of the adding head itself also adjusts part of the tabulator mechanism. In the present instance this tabulator feature facilitates the bringing of the typewriter and computer carriages into any selected one of a plurality of adding fields.

My invention also includes improved means for connecting the computer with and disconnecting it from the numeral keys of the typewriter. By my invention the typewriter can be used independently of the computing mechanism to write numbers, or the computing mechanism can be used to add numbers without operating the printing mechanism, or the two mechanisms can be used together.

To the above and other ends the invention consists, generally stated, in certain features of construction and combinations and ar rangements of parts all of which will be fully set forth herein and particularly pointed out in the claims.

One form of my invention is illustrated in the accompanying drawings in which- Figure 1 is a front elevation of a machine having my invention embodied therein. Fig. 2 is a side elevation with parts in section on the line of Fig. 3. Fig. 3 is a plan view of the lower part of the mechanism, the upper part being sectioned away. Figs. t and 5 are elevations, partly in section and partly broken away, of a portion of the key mechanism and some of the associated parts, these figures being more especially designed to illustrate the connection and disconnection of the printing and computing mecha- Specification of Letters Patent.

Patented Nov. 9, 1915.

Serial No. 672,864.

position they occupy when the typewriter carriage is in an adding zone and the machine is set for both adding and writing numbers. Fig. 5illustrates the parts in the position they occupy when the computing mechanism is disconnected by hand from the printing mechanism so that either of said mechanisms can be operated independently of the other.

In all of the figures of the drawings, parts have been omitted or broken away or shown in section as has been found convenient.

I have shown my invention applied to a lVahl adding machine mounted as an attachment on a Remington No. 11 typewriter. It will, of course, be understood that the invention can be applied or adapted to other combined typewriting and computing machines.

The main frame of the Remington typewriter comprises a base 1, corner posts 2 and a top plate 3. Stationary rails 4% support, by means of roller bearings, a carriage truck 5 which has a shift frame 6 mounted therein by means of links 7 which allow said shift frame to be moved up and down to a limited extent for upper and lower case writing. A platen 8 has its axle 9 journaled in said shift frame. The means for shifting this frame are not shown herein.

The carriage is fed across the machine toward the left by a strap 10 running over a spring drum 11 and connected to said carriage. The feed of the carriage is controlled by means which include a feed rack 12 which is pivoted to the truck 5 at 13 and which engages a feed pinion 1-fl, the shaft of which is journaled in a bracket 15 and at its rear end carries two escapement wheels 16. Said escapement wheels are controlled by a feed dog mounted on the upper end of an arm 17 of a dog rocker, which dog rocker is pivoted at 18 to a bracket of the main frame. Said dog rocker has another arm 19 which is connected by a link 20 with an arm 21 projecting toward the rear from a rock shaft 22 (Figs. 2 and 3). Said rock shaft is pivoted at in the base 1 on pivot screws and it has at the ends thereof arms .44: projecting toward the rear and supporting, by means of depending links 25, the universal bar 26 of the typewriter. Said universal bar lies beneath the series of printing key levers 27 which at their forward ends bear key buttons 28. These keys are arranged in rows across the machine, the numeral keys being in the rear row. Each of the printing keys is connected by a link 29 with a sublever 30 which in turn is connected by a link 31 with a type bar 32 having types 33 on its free end. In the drawings 1 have shown only one of these type bars and its connections, as the construction of the machine is well known. All of said type bars are mounted in hangers which are secured to a stationary segment 34.

The typewriter is equipped with a denominational tabulator which comprises a column stop bar 35 (Fig. 2) mounted on arms 36 secured to the carriage truck 5 and projecting therefrom toward the rear of the machine. The bar 35 is adapted to carry one or more column stops 37 which can be adjusted to any desired letter space position on the bar. These column stops are adapted to cooperate with a Series of denominational stops 38 consisting of the upper ends of a series of long levers 39 of the first order, which levers are pivoted side by side on a pin or rod 40 passing through a supporting frame 41 which is secured to the top plate at 42 and which at its lower end is secured to the base 1 of the typewriter. The levers 39 at their upper ends are arranged a letter space distance apart but they fan out at their lower ends and at their lower ends they also pass forward and downward between the key levers 27, terminating in the base of the machine beneath said key levers. Each of said levers 39 is connected at its lower end with a push link 43 which at its forward end is connected with a lever 44. There is a series of these levers 44 all pivoted on a transverse rod or shaft 45 mounted in the base of the typewriter frame. At its lower end each of these levers is connected with a push bar 46 and all of said push bars pass through a guide piece 47 at the front of the typewriter and each of them has a key 48 on its forward end. The construction is such that when any one of these keys is pushed toward the rear one of the tabulator stops SS is moved toward the front into the path of the column stops 37. The tabulator keys and stops are restored to and held in their normal positions by restoring springs 49 each connected at one end to a transverse bar 50 and at its other end to one of the levers 44.

In order to release the carriage when any one of the tabulator keys is operated, a universal bar 51 is provided which lies back of the series of levers 44. At each of its ends said universal bar has an arm 52 which is pivoted on the shaft 45. The universal bar frame also includes an arm 53 to which is pivoted the forward end of a push link 54 which at its rear end is connected with an arm 55 depending from a transverse rock shaft 56 mounted in the base of the main frame. The universal bar and the parts connected therewith are restored to normal position by a restoring spring 57 connected with the arm Rigid with said shaft 56 is a second arm 58 which, in order to avoid interference with other parts of the machine, is made in a four-sided shape shown in Fig. 2, the free end of the arm being above and in front of the shaft 56 and above the base of the typewriter. The free end of this arm is connected by a pull link 59 with a lever 60 which is pivoted at 61 in a bracket mounted on the top plate. Said lever 60 is of the first order and its forward arm is formed into a shoe that lies beneath the feed rack 12. The construction is such that when any of the tabulator keys is pushed toward the rear, this lever is rocked and raises the feed rack out of engagement with the pinion 14, thus freeing the carriage from the escapement and allowing it to run until it is arrested by one of the stops 37 encountering the operated one of the stops 38.

The typewriter carriage can also be released from the escapement mechanism by means of a release key 62 mounted or formed on the forward end of a lever 63 which is pivoted at 64 to one of the end pieces of the truck 5. The rear end of this lever 63 lies beneath the feed rack 12 so that when the key 62 is depressed the rack is lifted out of the pinion 14 and the carriage can be moved to any desired extent in either direction.

The lVahl adding attachment comprises a stationary frame plate 65 which is secured by means of brackets 66 to the top plate 3 of the typewriter. The plate or frame piece 65 supports the actuator 67 of the adding attachment, which actuator is of wellknown construction and need not be partieularly described herein. Said actuator, however, comprises a series of key operated. levers 68, which through certain mechanism including differentially arranged arms 69 mounted on a rock shaft 70, actuate the master wheel 71, which master wheel is adapted to operate the adding heads or registers. The levers 68 in the VVahl machine as heretofore manufactured, are operated by links which extend down to the numeral key levers of the typewriter and T have modified this connection as will hereinafter appear.

The Wahl machine also includes a computer carriage 72 consisting of a bar which, at the middle of the typewriter, is supported by certain rollers, three of which are shown at 7 3, 74 and 75. The carriage 72 is supported at its ends by brackets 76 and 7 7 secured to the end bars of the carriage truck 5 and each at its forward end provided with a headed and shouldered screw 78 that passes through a vertical slot in an arm or bracket 7 9 projecting irom the end of the on each adding head and the carriage bar 72 is formed with a series of notches adapted to be engaged by said latches. This latch construction I have modified, as will presently appear. The parts thus far described are or may be of the well-known construction embodied in the \Vahl machine or, so far as my invention is concerned they may be of any suitable construction.

Instead of the latch now embodied in the VVahl machine for securing the adding heads to the carriage, I have provided the following construction. 'The middle web of the carriage bar 72 is formed with a series of slots 81, Fig. 1, which extend through said web and are spaced apart a distance equal to the letter space feed of the typewriter car riage. Each of the adding heads has mounted thereon a slidable device 82 comprising a fore and aft extending plunger or bar of sheet metal secured to the left-hand side plate of the adding head by means of shouldered and headed screws 83 which pass through horizontal elongated slots 8% in the bar 82, thus allowing said bar a limited freedom of movement in a fore and aft direction.- The forward end of the bar 82 is bent oflito form a key 85 by means of which the bar can be manipulated. Said bar is normally held in a middle position by means of a spring 86 coiled about a pin or screw 87 and having two vertical parallel arms under spring tension toward each other. The inotion of said arms under the tension of the spring is limited by a pin 88 projecting from the side plate of the adding head. Below said pin 88, a pin 89 projects from the bar 82 between the two arms of the spring 86. It will be seen that the tension offsaid spring is exerted to hold the pin 8%) directly underneath the pin 88, but the pin 89 and bar 82 can be moved either forward or backward from normal position against the tension of-said spring. The rear end of thebar 82 normally projects through one cf the slots 81 in the carriage bar 72 and latches the adding head in its adjusted position lengthwise of said bar. Said bar can be withdrawn from the slot 81 by pulling for ward on the key 85. The adding head can then be moved to any other letter space position when, upon the release of said key, the

spring 86 will snap the bar 82 into the registering notch or slot 81.

The rear end of the bar 82 is adapted to act as a tabulator or column stop to arrest tionary frame piece 65.

the carriage 72 and with it the typewriter carriage 5 in a position corresponding to that of the adding head itself; that is to say, in a position at the beginning of an adding column the location of which is determined by the adjustment of the adding head along the bar 72. It is for this reason that the bar 82 is made capable of being pushed to the rear beyond its normal position. When so pushed in it is adapted to engage a stationary stop 90, Figs. 1 and 2, consisting of the projecting end of a bracket which is secured by a screw 91 to the front face of the sta- The column stop 37 should be adjusted to a position corresponding to that of the stop on the adding head. \Vhcn it is desired to bring the typewriter carriage to the beginning of any one of the adding columns determined by the location on the bar 72 of a plurality of adding heads, the key 85 on that particular adding head can be pushed toward the rear and the typewriter carriage released from its escapement mechanism and moved down until the bar 82 encounters the stop 90, whereupon both the carriage 72 and the typewriter carriage 5 will be arrested. The bar 82 therefore constitutes a column stop carried by the adding head itself and adapted to be used to arrest the carriage in a position corresponding to the adding column defined by that adding head. Such a construction is particularly convenient and useful where there are several adding heads and where the ordinary typewriter tabulator would arrest the carriage at each one of the adding columns so that said carriage might have to be arrested a number of times before finally reaching the column it was desired to use. The adding head itself is the thing of which the operator is conscious and the best lOCZ tion for a column selecting key is on said adding head. If it is desired to add on a certain adding head the tahulator key on that adding head itself is operated to bring the carriage to the right position. It will be noted that the plunger 82 passes through a slot in the carriage ha 72, so that. when said plunger is used as a column stop and is arrested by the stop 90, the shock of arrest comes on said bar 72 directly, and not through the frame of the adding head.

order to release the carriage automatically when any one of the keys 85 is operatal. each of the ba h? is formed with an upward extension 95% which at its upper end is former with an arm 93 extending toward the rear above all of the oil 1' computer mechanism. The rear end of the arm 93 stands just in front of a long universal bar 914- which at its ends is mounted on vertical arms 95 pivoted at their lower ends at 96 to ears 9'} Fig. of the brackets 76 and 77, which brackets, it will be recalled, are rigidly mounted on the typewriter carriage.

One or both of the arms has projecting therefrom toward the rear an arm 98 which, at its rear end, iits in a slot 99 formed in the carriage release key lever 63. The construction is such that when the key 85 is pushed toward the rear, the arm 98 pushes the universal bar 9 1 toward the rear and the arm or arms 98 depress one or both of the carriage release keys 02, so that the carriage is to move independently of the escapeinent until arrested by the coopeia tion of the stops and 90. It will thus be seen that l have provided a complete column selecting tabulrtor including the necessary steps and carriage release, the column selooting stops and also the column selecting keys being associated directly with the adding; heads.

1 have provided special computer keys 100, the horizontal levers 101 of which are pivoted on a cross rod 1.02 on which they are spaced apart by washers 103. Said computer keys are capable of either operating the computing mechanism alone or of operating both the computing and typewriting mechanisms. Said levers 101 are connected by links 101 with the levers 68 of the computer actuator. 1n the present instance these links are pivoted in slots made the keys 100, in order to bring the lines f force along said links substantially in the ame directions as in the present l i ahl ma hine. '1 he links 10-1 are bowed toward the rar of the machine so as not to interfere with the action of the fingers on the keys 100. l hc keys stand normally in the positions shown in Figs. 2 and 3 but they are capable of being moved forward to the position shown in in which last position they stand just above the numeral printing keys 28 of the typewriter so that when a key 100 is struck the typewriter key is depreised with it. In some instances the typewriter keys may be made movable into and out of position for cooperation with the computer keys. Preferably a pad 105 of leather or some such soft material is secured to the under side of each of the keys 100 for contact with the typewriter key.

in order to provide for shifting, the keys 100 to either of their two positions, the rod 102 is mounted on the upper ends of two arms 100, which arms, as shown in 2 and 3, are rigidly mounted on the rod or shaft- 15, which shaft is made capable of rocking; in order to provide for the movement of the pivot rod 102. Said rod 102 is held normally in its rear position by a spring 107 connected at one end to a pin 10S projecting upward from the shaft 41-5 and at its other end to a pin 109 projecting from the base 1 of the typewriter. In order to limit the forward and backward motion of the shaft 102 1 have shown two stops 110 in position to engage one of the arms 106,

said stops consisting of finf ers projecting: from the end of a. stationarv plate 1111 se cured by screws 1.12 to the base 1 of the typewriter.

The frame comprising the rod 1.02 can, of course, be shi ted back and forth by hand, but I prefer to allow the spring 107 to hold said frame normally in the position shown in Fig. 2 where the keys 100 are away from the keys 28 so that said keys 28 can be operated to write numbers or punctuation points onthe typewriter without affecting the computing mechanism, and to provide automatic means for throwing the keys for- 'aid to the position shown in 1* i: when one of the adding heads comes into position to be operated by the master wheel. To this end, the shaft do is provided with an arm 113, 2 and 3, to which is connected the rear end of a link 114-, the forward end of which is connected to the depending arm 115 of a bell-crank having also a forwardly directed arm 110. Said bell-crank is pivoted at 117 to an ear or bracket 118 bent up from a frame plate 119 which is secured by screws 120 to a cross bar 121 of the base 1 of the typewriter frame. The arm 116 has pivoted thereto the lower end of a vertical link 122, the upper end of which is connected to a bell-crank .23 pivoted at 12-1, Figs. 1 and 2, to the computer frame piece 6?. The vertical arm of the bell-crank 123, has a slot 125 in which plays a pin 120 projecting from the vertical arm of bell-crank 127 which is pivoted at 128 to an car 1 9 of the frame piece 053, said ear projecting above the level of the carriage bar '72. The horizontal arm of the bell-crank 12? extends toward the right as shown in 1 and at an inclination toward the front of the machine,

as shown in Fig. 2, and at its free end said arm has a cam 130 pivoted thereto on a pivot screw 131.

The cam plate 130 is free to swing toward he right at its lower end but is prevented from swingi g toward the left beyond its vertical position shown in Fig. 1, by a. stop bent oil from the arm 12. as shown. The bellcrank 12'? also has a foot 133 adapted to rest on the top of the frame piece 05 as shown in Figs. 1 and 2, to limit the downward motion of said bell crank. The cam 130 has its lower end inclined, as shown in Fig. 1, and lying in the path of the upper rear part of each of the adding; heads 80. The construction is such. that when the carriage is drawn toward the right the cam 130 will turn out of its way about the pivot 131; but when the carriage comes into an addin column from the l ft the can" 130 will be elevated, thus operat the bell-cranks 127 and 123 and. pulling upward on the link 122, which link operates the bell crank 115, 116 and through the link 1141 rocks the shaft 415 and moves the keys 100 forward, as shown in Fig. 1, over the keys 28.

It will of course be understood that the cam 130 can be rigidly mounted on the bellcrank 127 so as to perform its functions when the carriage is brought into an adding column from the right as well as when the carriage is brought into the adding column from the left. I have pivoted this cam for the reasonthat the carriage is frequently thrown back to the right with considerable speed and force which might cause a too sudden operation of the parts controlled by said cam.

The train of connections including the bell-cranks 127 and 123 and the link 122 is restored to normal position by means of a spring 131 coiled about the post into which the pivot screw 121 is threaded and said spring at one end engaging the bell crank 123 and at the other end engaging a pin 135 projecting from the frame piece 65.

The adding heads of the YVahl machine are provided in their upper sides with a small rib 136 on which are imprinted scale marks 137. I have imprinted upon the dog 130 an index mark 138 for cooperation with the scales 137. I

From the above description it will be perceived that the numeral keys of the typewriter are normally free to be operated without affecting the computing mechanism but that when the carriages of the typewriter and computer come into an adding column, the computer keys are automati cally thrown forward over the numeral keys of the typewriter so that said computer keys can be operated and the typewriter keys will be operated by them, and so that independent operation of the typewriter numeral keys is prevented. It is desirable, however, to be able to use the typewriter and computer keys independently at times, even when the carriages are in an adding field, so that numbers may be written without being added or added without being written. To this end I have provided means for disconnecting the computer key mechanism from the cam 130. The link 122 has at its lower end a pin or off-set 110 which lies in an L-shaped slot 111 in the arm 116 of the lower bell-crank. The pin 110 normally rests in the horizontal branch of said slot so that it is operative to rock the bellcrank; but said pin can be moved back to the position shown in Fig. 5 where it nor mally rests in the angle of the slot 111 so that, when the link 122 is moved upward, said pin 110 moves idly in the vertical branch of the slot and does not operate the bell crank 115, 116 nor move the keys 100 forward over the keys 28. When the parts are in this position, therefore, the keys 100 remain in their rear positions even when the carriages are in an adding field. The

link 122 is normally held in its forward position shown in Fig. 2 by means of a spring 112, Fig. 2, connected with the upper part of said link and extending forward to the frame plate 65.

The means for moving the link 122 toward the rear to its Fig. 5 position, includes a handle or crank 111 mounted on one end of a rock shaft 115 which at its ends is mounted on pivot screws 116 threaded through brackets 117 extending upward and forward from the plate 119 hereinbefore referred to. The shaft 115 lies beneath the key levers 101 and beneath the normal positions of the keys 100 and said shaft has a flange 118 of sheet metal extending lengthwise thereof and normally projecting upward therefrom, as shown in Fig. 2, in position to lock the keys 100 against depression when said keys are in their rear positions. The shaft 115 can be turned to the position shown in Fig. 5 by an operation of the crank 111, thus removing the flange 118 from beneath the keys 100 and allowing said keys to be operated while in their rear position. The flange 118 when turned down to the position shown in Fig. 5, is adapted to engage a downward projecting end 119 of the link 122 and force the lower end of said link toward the rear of the machine to bring the pin 110 into the angle of the slot 111, as shown in Fig. 5. As soon as the link is pulled upward by the cam 130 the pin 110 passes into the vertical part of the slot 111 and is thereby prevented from moving toward the front and the flange 118 prevents such forward motion when the link is in its lower position. The shaft 115 may be retained in either of its two positions, shown in Figs. 1 and 5, by any suitable means. As here shown said shaft is provided with a collar or a disk 1.50 having two notches 151 engaged by a detent spring 152 which is secured by a screw 153 to an ear 151 bent up from the plate 119.

lVhile it is ordinarily desired to lock the keys 100 when said keys are in their rear positions, it is of course not desirable that these keys be locked when thrown to their for ward positions shown in Fig. 1. To this end the flange 118 is formed with a series of vertical open slots 155, Fig. 1, one of said slots being directly beneath each of the key le vers 101 when the said levers and the keys 100 occupy their forward positions. yVhen the keys 100 stand in the position shown in Figs. 2 and 3, it is the keys themselves that stand over the flange 118 and the slots 155 are too narrow to admit of said keys being depressed but are wide enough to allow the levers 101 to be depressed when the keys are moved forward. Any other enlargements on the key levers may be used instead of the keys themselves, to cooperate with the flange 118 to lock the keys.

It will be perceived that when the handle 11-1- is set as shown in Fig. 5, the keys 100 will remain in their rear positions when the carriages are in an adding field and that said keys are then free to be operated to add numbers without printing them and also the keys 28 are free to be operated to write num bers in the adding column without adding them.

i'r'hen the keys 100 are operated independ ently oi? the keys 28 it is necessary that the typewriter carriage be fed along step by step the same as it the printing keys had been operated. I have accordingly. provided means whereby the keys 100 when operated in their rear positions not only operate the adding mechanism but also operate the escapement mechan sm of the typewriter carriage. To this end each of the levers 101 is provided with a rearward and downward entension which, as shown in Fig. '2, is normally beneath special universal bar 157, which universal bar is mounted on arms 158 secured to the rock shaft 22 to which the universal bar 96 of the typewriter is connected. The construction is such, therefore, that when one of the keys 100 is operated in its r 5 and Fig. 2 position, the typewriter escapement is also operated in the same manner as if a printing key had been depressed. When the rod 102 is moved forward to the position shown in Fig. l, the arms 156 move forward of the universal bar 157 and do not aliect said universal bar. Under these conditions the typewriter escapement is operated through the printing keys and the universal bar Various changes can be made in the details of construction and arrangement without departing from my invention.

What I claim as new and desire to secure by Letters Patent, is

1. In a machine of the class described, the combination of a traveling carriage, two finger keys, each independently operable, and said keys being normally relatively stationary during part of the travel of said carriage, and means controlled by said carriage at one point in its travel for efiecting a relative movement of said keys into position where one of said keys when operated will operate the other.

2. In a machine of the class described, the combination of two finger keys, mounted on non traveling parts of the machine, a traveling carriage, and means controlled by said carriage for effecting a relative motion of said keys into and out of position where one of said keys when operated will operate the other.

3. In a machine of the class described, the combination of a traveling carriage, two sets of finger keys, the keys of said two sets being independently operable and said sets of keys being relatively stationary during part of the travel of said carriage, and means controlled by said carriage at one point in its travel for effecting a relative motion of said sets of keys into position where the keys of one set when operated will operate the keys of the other set.

l. In a machine of the class described, the combination of two sets of linger keys mounted on non-traveling parts of the machine, said keys being independently perable, a traveling carr'age, and means controlled by said carriage for ellecting a relative motion of said sets of keys into and out oi position where the keys of one set when operated will operate the keys of the other set.

5. In a combined typcwriting and computing machine, the combination of typewritin g mechanism including a carriage, types and printing keys, computing mechanism, special keys for said computing mechanism, and means for moving said special keys into and out of cooperative relation with the numeral keys of the typewriting mechanism.

6. in a combined typewri'l'in and computing machine including typewriting mechanism and computing mechanism, the combination of two sets of numeral keys one for the typewriting mechanism and one for the computing mechanism, and means for moving one of said sets of keys into and out of cooperative relation with the other of said sets of keys.

7. In a combined typewriting and computing machine comprising typewriting mechanism and computing mechanism, the combination of two sets of numeral keys one for the typewriting mechanism and the other for the computing mechanism, and means for moving one of said sets of keys into and out of position to cover the other set of keys, the construction being such that when the keys of one set are covered by those oi the other set operation of the keys oi the upper set will also operate the keys of the lower set.

8. In a combined typewriting and computing machine comprising a typewriting mechanism and a computing mechanism, the combination of two sets of numeral key levers one for the typewriter and the other for the computer, a movable support for the key levers of one set, and means for moving said support and with it the key levers carried thereby to bring the keys of one set into and out of cooperative relation with the keys of the other set.

9. In a combined typewriting and computing machine, the combination of a carriage, carriage feed mechanism, printing keys ineluding a set of numeral keys, computing mechanism, a set of numeral keys for said computing mechanism, means for moving one of said sets of keys into and out of coiiperative relation to the other set, and means whereby said computer keys can control said carriage feed mechanism when said keys are out of cooperation with said printing keys.

10. In a combined typewriting and computing machine, the combination of typewriting mechanism including a carriage, carriage feeding mechanism, types and printing keys including numeral keys, computing mechanism, special keys for said computing mechanism, means for moving said special keys into and out of cooperative relation with the numeral keys of the typewriter, and means whereby said special keys, when out of cooperative relation with the typewriter keys, can operate said carriage feed mechanism independently of said typewriter keys.

11. In a combined typewriting and conr puting machine, the combination of type writing mechanism including a carriage, carriage feeding mechanism, types and printing keys including numeral keys, computing mechanism, special keys for said computing mechanism, means for moving said special keys into and out of cooperative relation with the numeral keys of the typewriter, and means whereby said special keys, when out of cooperative relation with the typewriter keys, can operate said carriage feed mechanism independently of said typewriter keys, the last recited means being inoperative when the special keys are in operative relation with the typewriter keys.

12. In acomoined typewriting and computing machine, the combination of typewriting mechanism including a carriage, carriage feeding mechanism, types and printing keys including numeral keys, computing mechanism including special keys and key levers movable into and out or cooperative relation with the typewriter numeral keys, a special universal bar for said special key levers, said universal bar being connected with said carriage feed mechanism, and the construction and arrangement being such when said special keys are out of relation with the numeral key levers of the typewriter, said special key levers are operative on said special universal bar and that said special key levers are inoperative on said special universal bar when said special keys are in operative relation with the typewriter keys.

13. In a combined typewriting and computing machine, the combination of typewriting mechanism having printing keys in clu ding numeral keys, computing mechanism having numeral keys, a lock for said computer keys, and means for moving said computer keys into and out of cooperative relation with said typewriter keys, said lock being inoperative when said computer keys are in cooperative relation with said typewriter keys.

14. In a combined typewriting and computing machine, the combination of a carriage, types and printing keys of the typewriting mechanism, special numeral keys for the computer, means for preventing operation oi said computer keys except when the said carriage is in a computing zone, and means for causing the typewriter numeral keys to be operated by said computer keys in the computing zone.

15. In a combined typewriting and computing machine, the combination of a carriage, types and printing keys of the typewriting mechanism, special numeral keys for the computer, means for preventing operation of said computer keys except when the said carriage is in a computing zone, and means for causing the typewriter numeral keys to be operated by said computer keys in the computing zone and for preventing independent operation of said typewriter numeral keys in the computing zone.

16. In a combined typewriting and computing machine, the combination of a car ri ge, types and printing keys of the typewriting mechanism, special numeral keys for the computer, means for preventing operation of said computer keys except when the said carriage is in a computing zone, and means for throwing said preventing means out of operation at will.

17. In a computing machine, the combination of a set of keys, said set of keys being shiftable to either of two positions, and a locking device operative to lock said keys in one of said positions and not in the other position.

18. In a computing machine, the combination of a set of keys, said set of keys being shiftable to either of two positions, and a locking device operative to lock said keys in one of said positions and not in the other position. said locking device being also movable to an inoperative position.

19. In a computing machine, the combination of a key and key lever, a slotted locking bar for said key, and means for moving said key and key lever, the construction being such that when the key stands over said bar. said bar prevents operation of said key but when said key is moved from over said bar said key can be depressed, the key lever moving into the slot in the bar.

2). In a computing machine, the combination of a key lever having an enlargement thereon, a slotted locking bar for said key lever, and means for moving said key lever to either of two positions, in one of which said enlargement is over said bar, the con struction being such that when said enlargement is over said bar said bar locks the key lever and when said enlargement is not over said bar said key lever can be depressed, the lever passing into the slot in the bar.

21. In a computing machine, the combination of a key button and key lever, a

slotted locking bar, means for moving said key button and key lever, the construction being such that when said button stands over said bar, said bar prevents operation of said key but when said button is moved from over said bar, said key can be dethe key lever moving into the slot liar, and means for moving said lockro inoperative position.

722. in a computing machine, the combit of numeral keys for the typeout numeral keys tor the computer. means for moving one of said sets oi keys into a l in out of cooperative relation with the other, the movable keys being; mounted on key levers, and a slotted locking bar lying beneath. said movable keys and levers, the construction being such that when said movable keys are out of cooperative relation with the other set of keys, said movable ke -Js stand over and are locked by said bar but when said movable keys are moved into cooperation, the levers of said keys are tree to be operated, said levers being over the slots in said bar.

2%. in a combined typewritiug' and comouting; machine having typewriting mechan and computing mechanism, the com- I a oil of numeral keys for the f, a set of numeral keys for the computer, means for moving" one of said sets of keys into and out or cooperative relation with the other, the movable keys being mouiri'i'eiil on key levers, a slotted locking bar lying beneath said movable keys and lovers, the construction being such that when said movable keys are out of cooperative relatio witl the other set of keys, said movable l-:eys stand over and are locked by said bar but when said movable keys are moved in o cooperation, the levers of said keys are free to be operatef, said levers being over the slots in said bar, and means for moving said bar to an inoperative position.

In a combined typewriting and com puting machine. the combination of a carriage, printing devices and a set of numeral l the typewriting mechanism, compui'tin mechanism, a set of numeral keys for the computing mechanism, and means "for automatically moving one of said sets of keys into cooperative relation with the other set at a predetermined point in the travel of said carriage.

26. In a combined typewriting and computing machine, the combination ot a carriage, printing devices and a set of numeral keys of the typcwriting mechanism, computing mechanism, a set of nun'ieral keys for the computing mechanism, and means for automatically moving one oi said sets oi keys into cooperative relation with the other set at a predetermined point in the travel of said carriage in letter space direction only.

27. In combined typewriting and computing machine, the combination of a carriagc, printing devices and a set of numeral keys of the typewriting mechanism, computing mechanism, a set of numeral keys for the computing mechanism, and means for automatically moving one of said sets of keys into cooperative relation with the other set at a predetermined point in the travel oi? said carriage, said automatic means being adjustable with relation to the carriage travel.

28. In a combined typewriting and com puting machine, the combination of a car riage, printing devices and a of numeral keys for the typewriting mechanism, computing mechanism, a set of numeral keys for the computing mechanism, means for automatically moving one of said sets Oi keys into 0051 c ative relation with the other set at a predetermined point of the travel of said carriage, and means for throwing,- said automatic means into and out of operation at will.

In a combined typewriting and computing machine, the combination with a car riage, types and numeral keys Oil the typewriter, Of computing mechanism. numeral. keys for the computer, and means controlled by the travel of said carriage for autmnatically establishing an O3Cl21tlVQ relation between the computer keys and the nun'ieral k ys of the typewriter.

80, In a combined typewriting and computing machine, the combination with a carriage, types and numeral k ys of the typewriter, of computing mechanism, a set oi numeral keys tor the computer normally disconnected from the typewriter keys, means for normal y locking the computer keys, and means controlled by the travel-oi? said carriage for automatically establishing an operative connection or relation between the computer keys and the typewriter keys, and for unlocking said computer keys.

31. In a combined typewriting and computing machine, the combination of printing keys, types and a carriage, computing mechanism, special numeral keys for the computer, and means controlled by said carriage forlocking and unlocking said computer keys.

In a combined typewriting and computing machine, the combination of printing keys, types and a carriage, computing mechanism including a part adjustable with relation to the travel of said carriage to de termine the location of a computing zone, special numeral keys for the computer, and means controlledby said carriage and said adjustable part for locking and unlocking said computer keys.

33. In a combined typewriting and computing machine, the combination of printing keys, types and a carriage, computing mechanism, special numeral keys for the computer, means controlled by the carriage for locking and unlocking said computer keys, and means for throwing the last recited means into and out of operation.

34. In a combined typewriting and computing machine, the combination with a carriage, types and numeral keys of the typewriter, of computing mechanism, a set of numeral keys for the computer normally disconnected from the typewriter keys, means for normally locking the computer keys, means controlled by the travel of said carriage for'automatically establishing an operative connections or relation between the computer keys and the typewriter keys and for unlocking said computer keys, and means for throwing said locking means out of operation so that the computer keys can be operated independently of the typewriter keys.

35. In acombined typewriting and computing machine, the combination with a carriage, types and numeral keys of the typewriter, of computing mechanism, a set of numeral keys for the computer normally disconnected from the typewriter keys, means for normally locking the computer keys, means controlled by the travel of said carriage for automatically establishing an operative connection or relation between the computer keys and the typewriter keys and for unlocking said computer keys, means for throwing said locking means out of operation so that the computer keys can be operated independently of the typewriter keys, and means for throwing said automatic connectin means out of operation.

36. n a combined typewriting and computing machine, the combination with a carriage, types and numeral keys of the typewriter, of computing mechanism, a set of numeral keys for the computer normally disconnected from the typewriter keys, means for normally locking the computer keys, means controlled by the travel of said carriage for automatically establishing an operative connection or relation between the computer keys and the typewriter keys and for unlocking said computer keys when said carriage comes into adding position, and a handle and connections for throwing out of operation said locking means and said automatic connecting means, whereby the computer keys can be operated in the adding column. independently of the typewriter keys.

37. In a combined typewriting and computing machine, the combination with a carriage, types and numeral keys of the typewriter, the actuator and one or more adjustable adding heads of the computer, of numeral keys for the computer, and means controlled by each adding head when said adding head comes into adding position for antomatically establishing an operative relation between the computer keys and the numeral keys of the typewriter such that, when one of said computer keys is operated, the corresponding typewriter key is operated thereby.

88. In a combined typewriting and computing machine, the combination with a carriage, types and numeral keys of the typewriter, and the actuator and one or more adjustable adding heads of the computer, of a set of numeral keys for the computer normally disconnected from the typewriter keys, means for normally locking the computerkeys, and means controlled by each adding head when said adding head comes into the adding column, for automatically establishing an operative connection or relation between the computer keys and the typewriter keys and for unlocking said computer keys.

39. In a combined typewriting and computing machine, the combination with the carriage, types and the numeral keys of the typewriter, and the actuator and one or more adding heads of the computer, of a set of numeral keys for the computer, the typewriter numeral keys being normally operative independently of said computer keys, and means for establishing an operative conneetion between the computer keys and the typewriter keys and rendering said typewriter numeral keys inoperative except by said computer keys.

4-0. In a combined typewriting and computing machine, the combination with the carriage, types and the numeral keys of the typewriter, and the actuator and one or more adding heads of the computer, of a set of numeral keys for the computer, the typewriter numeral keys being normally operative independently of said computer keys, and means controlled by the carriage for automatically establishing an operative connection between the computer keys and the typewriter keys and rendering said typewriter numeral keys inoperative except by said computer keys.

41. In a combined typewriting and computin machine, the combination with the carriage, types and the numeral keys of the typewriter and the actuator and one or more adding heads of the computer, of a set of numeral keys for the computer, the typewriter numeral keys being normally operative independently of said computer keys, means for automatically establishing an operative connection between the computer keys and the typewriter keys and rendering said typewriter numeral keys inoperative except by said computer keys, and means for throwing said connecting means out of operation.

12. In a combined typewriting and computing machine, the combination with the carriage, types and the numeral keys of the typewriter, of computing mechanism, a set of numeral keys for the computer, the type writer numeral keys being normally operative independently of said computer keys, means for automatically establishing an operative connection between the computer keys and the typewriter k ys and rendering said typewriter numeral keys inoperative except by said computer keys, and means for normally locking said computer keys against operation.

In a combined typewriting and com; puting machine, the combination with the carriage, types and the numeral keys of the typewriter and the actuator and one or more adding heads of the computer, of a set of numeral keys for the computer, the typewriter numeral keys being normally operative independently of said computer keys, means for automatically establishing an operative connection between the computer keys and the typewriter keys and rendering said typewriter numeral keys inoperative except by said computer keys, and means for simultaneously throwing said connecting means and said locking means out of opera tion whereby either the computer keys or the numeral keys of the typewriter can be operated independently of the other in the addin column.

at. in a combined typewriting and computing machine, the combination of typewriter keys including numeral keys, a rocking frame including a cross bar, a series of computer key levers mounted on said cross bar and having keys thereon, and means for swinging said frame to move said computer keys into and out of cooperative relation with the numeral keys of the typewriter.

In a combined typewriting and computing machine, the combination of a typewriter carriage, a computer carriage connected with said typewriter carriage and having one or more adding heads adjustably mounted thereon, an arm mounted on a relatively stationary part and adapted to be moved by an adding head to an operated position when said adding head is in position to be operated, two sets of numeral keys, one for the computer and one for the typewriter, and means controlled by said arm for establishii'ig and breaking an operative connection between said two sets of keys.

L6. ln a combined typewriting and computing machine, the combination of two sets of numer; l keys, one for the typeumiter and one for the computer, a carriage, means operated by said carriage for establishing an operative connection between said two sets of keys, said means including a link and a lever with which said link has pin and slot connection, and means for normally locking one of said sets of keys, said means when moved to unlocking position moving an element of said pin and slot connection to inoperative position.

$7. In a combined typewriting and computing n'iachine, the combination of a typewriter carriage, a computer carriage arranged to travel with said typewriter carriage, one or more supports adjustably mounted on said computer carriage and each having a hand operated plunger movable in two directions from normal position, a tabulator stop for cooperating with said plunger when moved in one direction, securing means for holding said support in adjusted position, said support being freed from said securing means by a motion of said plunger in the other direction, a branch on said plunger, a universal bar operated by said branch, and carriage release devices operated by said universal bar.

48. In a combined typewriting and computing machine, the combination of a typewriter carriage, a computer carriage arranged to travel with said typewriter carriage, one or more adding heads adjustably mounted on said con'iputer carriage and each having a hand operated plunger movable in two directions from normal position, a tabulator stop for cooperating with said plunger when moved in one direction, securing means for holding said adding head in adjusted position, said adding head being freed from said securing means by a motion of said plunger in the other direction, a branch on said plunger, a universal bar operated by said branch, and carriage release devices operated by said universal bar.

49. In a combined typewriting and computing machine, the combination of a type writer carriage, computing mechanism comprising one or more adjustable adding heads, tabulator mechanism comprising a tabulator key carried by an adding head, and a release device for the typewriter carriage operated by said key.

50. In a combined typewriting and computing machine, the combination of a typewriter carriage, an adjustable adding head, a key adjustable by and with said adding head, and means operated by said key for releasing said carriage and arresting it in a position corresponding with the adjusted position of said adding head.

51. In a combined typewriting and computing machine, the combination of a typewriter carriage, computing mechanism including one or more adjustable adding heads, a supporting bar on which said adding heads are mounted and along which they are adjustable, a tabulator key mounted on said adding, head or one of said adding heads, a tabulator stop operated by said key, a universal bar parallel with said supporting bar and in position to be operated by said key and a carriage release operated by said universal bar.

52. In a combined typewriting and computing machine, the combination of a car riage and two separate tabulators for arresting the carriage, said tabulators comprising separate sets of column stops, each set of stops having a separate cooperative stop and each tabulator having a separate carriage release, one of said tabulators being embodied in the computing mechanism and the other tabulator in the typewriting mechanism.

53. In a combined typewriting and computing machine, the combination of a typewriter carriage, a computer carriage and two separate tabulators for arresting the typewriter carriage, said tabulators comprising each a set of keys, the set of keys for one of said tabulators being supported by the computer carriage, the other set of keys being supported in the typewriter frame.

54;. In a machine of the class described, the combination of a carriage, an adjustable computing head, and tabulator mechanism comprising a tabulator key mounted on said computing head.

55. In a machine of the class described, the combination of a carriage, an adjustable computing head, and tabulator mechanism comprising a tabulator key mounted on said computing head and a tabulator stop operatable by said key.

56. In a machine of the class described, the combination of a carriage, computing mechanism comprising an adjustable computing head, and tabulator mechanism comprising a tabulator stop and a key for op erating said step, said key and stop being mounted on and adjustable with said computing head.

57. In a machine of the class described, the combination of a typewriter carriage ineluding an-adjustable computing head, a bar on which said computing head is mounted,

said bar having a series of slots therein, and tabulator mechanism including a combined tabulator stop and detent for holding said computing head in adjusted position.

58. In a combined typewriting and computing machine, the combination of a stationary typewriter frame, a paper carriage, printing keys and types, computing mechanism including one or more computing heads. a computing mechanism frame attached to said typewriter frame, a computing mechanism carriage connected with said typewriter carriage, one or more column stops adjustable along said computing mechanism carriage, and cooperating stopping means mounted on said computing mechanism frame.

59. In a combined typewriting and computing machine, the combination of a type writer carriage, a supporting bar having a series of slots therein, a computing head adjustably mounted on said bar, a tabulator stop adjustable with said computing head and working in one of said slots, and a cooperating step, the construction being such that when said stops cooperate to arrest the carriage the shock of arrest is taken by said bar.

60. In a typewriting machine and tabulating mechanism, the combination of a carriage, a series of tabulator stops, a cooperative stop, a separate key for each tabulator stop, said step and key being adjustable relatively to the other stops and keys, and means for releasing the carriage controlled by said keys, the point of arrest of the car riage depending on the adjustment of said tabulator stop and its corresponding key.

61. The combination of a carriage, a tabulator stop, a cooperative stop, an adjustable support for the tabulator stop, a member on which said support is mounted and along which said support is adjustable, and said tabulator stop acting as means for locking said support in adjusted position on said member, and means operated by the tabulator stop for releasing said carriage.

G2. The combination of a carriage, carriage release mechanism, and a device comprising a tabulator stop, a key therefor, and means cooperative with said carriage releasing mechanism, said device being detachably mounted on said carriage and adjustable to any letter space position on said carriage.

63. In a combined typewriting and computing machine, typewriting mechanism having printing keys including a set of numeral keys, computer mechanism including separate numeral keys, and means for connecting the computer mechanism with the typewriting mechanism by bringing the keys of one of said sets over the keys of the other set.

64. In a combined typewriting and compu'ting machine, typewriting mechanism having printing keys including a set 01" nu meral keys, computer mechanism including separate numeral keys, and means for connecting the computer mechanism with the typewriting mechanism by bringing the computer keys over the numeral keys of the typewriting mechanism.

35. In a computing machine, the combination of a traveling carriage, an adjustable addin head, an operatable carriage stop adjustable by and with said adding head, means operated by the operation of said step for releasing said carriage, and a cooperating stop.

(36. The combination of a carriage, a stop carried by the frame of the machine, a series of independently operable key controlled column selecting stops carried by the carriage and each movable by its key independently of the others into cooperative relation with said first mentioned stop, and carriage releasing means controlled by an actuation of each of said key controlled column selecting stops to release the carriape.

67. The combination of a carriage, a series of key controlled column selecting stops carried thereby and independently movable to operative position, said column selecting stops being relatively adjustable to different column selecting positions, and a cooperative stop with which said key controlled column selecting stops co-act when they are moved to operative position.

(38. The combination of a carriage, a series oi key controlled column selecting stops carried thereby and independently movable to ope ative position, said column selecting stops being relatively adjustable to different column selecting positions, a cooperative stop with which said key controlled column selecting stops co-act when they are moved to operative position, and carriage release mechanism actuated to role so the carriage by a movement of any i said column selecting stops to operative position.

69. The combination of a carriage, a series of spring-returned key-carrying collll'lllkSGlSCt'illfl stops carried by the carriage and independently movable into and out oi? operative position, means for affording a relative adjustment between said stops to different column determining positions and for holding the stops against relative movement toward and away from each other in the column determining positions to which they may be adjusted without affecting the opan'ativeness of said stops to move into and out of operative position, and a cooperating stop carried by the frame of the machine.

Signed at the borough of lvlanhattan, city of New York, in the county of New York, and State of New York this 22nd day of January, A. D. 191

JOHN XVALDHEIM. \Vitnesses E. M. lVnLLs, CHARLES E. SMITH.

Copies Of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. C. 

